Direct removal of the ossified mass via anterior approach carries good decompression to ossification of the posterior longitudinal ligament (OPLL) in the ce
Summary of Background Data.Thoracolumbar/Lumbar scoliosis is a common type of adolescent idio pathic scoliosis which is classified to Lenke type 5.Anterior
Background Runt-related transcription factor 2 (RUNX2), BMP-2, COL6A1, and VDR are four genes that may be related to ossification of the spinal ligament (OS